The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
The Canada they United States They are respectively the second and fourth country in the world by territorial extension.
President Donald Trump has refused to rule out military coercion to acquire Greenland and the Panama Canal, and he suggested ...
TORONTO (AP) — As Canadians absorb U.S. President Donald Trump’s trade war and his threats to make Canada the 51st state, one ...